Kronecker delta
[数] 克罗内克符号
🧩 词语组成解析
[计] 克罗内克
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
🗣️ 情景例句
Why don't you tell us about your day.
何不告诉我们你这一天过得如何？
Idleness is the root (or mother) of all evil (or sin or vice).
懒惰是万恶之源。
The killing of the bison changed the whole wildlife of the plains. With fewer bison, grass shoots were not eaten, so grass did not grow as strongly.
屠宰野牛改变了平原的全部野生生物。野牛少了，嫩草没有牛来吃了，草就长得不粗壮。